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1. 发明授权

US07816426B2 Superabsorbent polymer compositions having color stability 有权
标题翻译：具有颜色稳定性的超吸收性聚合物组合物
公开(公告)号：US07816426B2
公开(公告)日：2010-10-19
申请号：US11778372
申请日：2007-07-16
申请人： Iqbal Ahmed , Mirko Walden , Brian King , Scott J. Smith , Harald Schmidt
发明人： Iqbal Ahmed , Mirko Walden , Brian King , Scott J. Smith , Harald Schmidt
IPC分类号： C08K9/00 , C08K9/24 , C08L83/00
CPC分类号： C08F220/06 , A61L15/56 , A61L15/60 , C08F222/1006 , C08K3/30
摘要： The invention relates to absorptive, crosslinked polymeric compositions that are based on partly neutralized, monoethylenically unsaturated monomer carrying acid groups wherein the absorptive, crosslinked polymeric composition further includes an antioxidant and is color stable.
摘要翻译：本发明涉及吸收交联的聚合物组合物，其基于部分中和的单烯键式不饱和单体，其携带酸性基团，其中吸收性交联聚合物组合物还包含抗氧化剂并且是颜色稳定的。

2. 发明授权

US07619131B2 Articles comprising transparent/translucent polymer composition 有权
标题翻译：包含透明/半透明聚合物组合物的制品
公开(公告)号：US07619131B2
公开(公告)日：2009-11-17
申请号：US11292570
申请日：2005-12-02
申请人： Dave Allen Soerens , Angela Jones Lang , Iqbal Ahmed , Scott J. Smith
发明人： Dave Allen Soerens , Angela Jones Lang , Iqbal Ahmed , Scott J. Smith
IPC分类号： A61F13/15 , C08F4/04 , C08F30/08 , C08F118/02
CPC分类号： A61L15/42 , A61F13/15203 , A61F13/531 , A61F13/534 , A61L15/24
摘要： The present invention provides a translucent absorbent composite having a substrate with a light transmittance of at least about 60% and a flexible superabsorbent binder polymer composition applied to the substrate. The polymer composition may be prepared from the reaction product of a monomer solution including at least 15% by mass monoethylenically unsaturated monomer selected from carboxylic acid, carboxylic acid salts, sulphonic acid, sulphonic acid salts, phosphoric acid, or phosphoric acid salts; an acrylate or methacrylate ester that contains an alkoxysilane functionality; a copolymerizable hydrophilic glycol containing an ester monomer; an initiator system; and a neutralizing agent. The unsaturated monomer is neutralized to at least 25 mol % and the flexible superabsorbent binder polymer composition has a residual monoethylenically unsaturated monomer content of less than about 1000 ppm. The absorbent composite has a light transmittance of at least 45%. Also provided are absorbent articles containing the absorbent composite.
摘要翻译：本发明提供一种半透明吸收复合材料，其具有至少约60％的透光率的基底和应用于基底的柔性超吸收性粘合剂聚合物组合物。聚合物组合物可以由包含选自羧酸，羧酸盐，磺酸，磺酸盐，磷酸或磷酸盐中的至少15质量％单烯属不饱和单体的单体溶液的反应产物制备; 含有烷氧基硅烷官能团的丙烯酸酯或甲基丙烯酸酯; 含有酯单体的可共聚的亲水二醇; 发起者系统; 和中和剂。将不饱和单体中和至至少25摩尔％，并且柔性超吸收性粘合剂聚合物组合物具有小于约1000ppm的残留单烯属不饱和单体含量。吸收性复合材料的透光率至少为45％。还提供了含有吸收性复合材料的吸收制品。

3. 发明申请

US20070088100A1 SUPERABSORBENT POLYMER AQUEOUS PASTE AND COATING 有权
标题翻译：超级聚合物水性油漆和涂料
公开(公告)号：US20070088100A1
公开(公告)日：2007-04-19
申请号：US11610707
申请日：2006-12-14
申请人： Iqbal AHMED , Angela Jones , Scott Tomlin , Scott Smith
发明人： Iqbal AHMED , Angela Jones , Scott Tomlin , Scott Smith
IPC分类号： C09K8/00
CPC分类号： C08J3/03 , C08J2300/14 , C09K8/035 , Y10T428/31855 , Y10T428/31909
摘要： The present invention is directed to an aqueous superabsorbent polymer paste comprising from about 1 to about 5 wt % of superabsorbent particles and from about 95 to about 99 wt % of an aqueous water-soluble solution having from about 0.5 to about 5%, preferably from about 1 to about 3% solid level. The present invention is also directed to a coated substrate comprising a substrate material and an aqueous superabsorbent polymer paste comprising a blend of i) from about 1 to about 5 wt % of superabsorbent particles and ii) from about 95 to about 99 wt % of an aqueous water-soluble solution. The present invention is also directed to a method for reducing the loss of circulation fluids into flow passages of a subterranean formation during well drilling, completion or work over operations, by using the aqueous superabsorbent polymer paste of the present invention.
摘要翻译：本发明涉及含水超吸收性聚合物糊剂，其包含约1至约5重量％的超吸收颗粒和约95至约99重量％的水溶性水溶液，其具有约0.5至约5重量％，优选为约1至约3％固体含量。本发明还涉及包含基材和含水超吸收聚合物浆料的涂覆基材，该糊状物包含i）约1至约5重量％的超吸收颗粒和ii）约95至约99重量％的水溶性水溶液。本发明还涉及一种通过使用本发明的水性超吸收聚合物浆料来减少在钻井，完井或作业过程中循环流体损失到地层的流动通道中的损失的方法。

4. 发明申请

US20050080182A1 Superabsorbent polymer aqueous paste and coating 有权
标题翻译：超吸收性聚合物水性糊剂和涂料
公开(公告)号：US20050080182A1
公开(公告)日：2005-04-14
申请号：US10685080
申请日：2003-10-14
申请人： Iqbal Ahmed , Angela Jones , Scott Tomlin , Scott Smith
发明人： Iqbal Ahmed , Angela Jones , Scott Tomlin , Scott Smith
IPC分类号： C08J3/03 , C09K8/035 , C08K3/20
CPC分类号： C08J3/03 , C08J2300/14 , C09K8/035 , Y10T428/31855 , Y10T428/31909
摘要： The present invention is directed to an aqueous superabsorbent polymer paste comprising from about 1 to about 5 wt % of superabsorbent particles and from about 95 to about 99 wt % of an aqueous water-soluble solution having from about 0.5 to about 5%, preferably from about 1 to about 3% solid level. The present invention is also directed to a coated substrate comprising a substrate material and an aqueous superabsorbent polymer paste comprising a blend of i) from about 1 to about 5 wt % of superabsorbent particles and ii) from about 95 to about 99 wt % of an aqueous water-soluble solution. The present invention is also directed to a method for reducing the loss of circulation fluids into flow passages of a subterranean formation during well drilling, completion or work over operations, by using the aqueous superabsorbent polymer paste of the present invention.
摘要翻译：本发明涉及含水超吸收性聚合物糊剂，其包含约1至约5重量％的超吸收颗粒和约95至约99重量％的水溶性水溶液，其具有约0.5至约5重量％，优选为约1％至3％固体含量。本发明还涉及包含基材和含水超吸收聚合物浆料的涂覆基材，该糊状物包含i）约1至约5重量％的超吸收颗粒和ii）约95至约99重量％的水溶性水溶液。本发明还涉及一种通过使用本发明的水性超吸收聚合物浆料来减少在钻井，完井或作业过程中循环流体损失到地层的流动通道中的损失的方法。

5. 发明授权

US06232415B1 Process to produce a monovinylaromatic/ monoolefin polymer and said monovinylaromatic/monoolefin polymer 失效
标题翻译：制备单乙烯基芳烃/单烯烃聚合物和所述单乙烯基芳烃/单烯烃聚合物的方法
公开(公告)号：US06232415B1
公开(公告)日：2001-05-15
申请号：US09282528
申请日：1999-03-31
申请人： Iqbal Ahmed , Jianxin Kuang , George A. Moczygemba , M. Bruce Welch , Syriac J. Palackal
发明人： Iqbal Ahmed , Jianxin Kuang , George A. Moczygemba , M. Bruce Welch , Syriac J. Palackal
IPC分类号： C08F416
CPC分类号： C08F12/08 , C08F4/65912 , C08F210/02 , Y10S526/943 , C08F4/65927 , C08F212/08
摘要： A process to produce a monovinylaromatic/monoolefin polymer is provided. Said monovinylaromatic/monoolefin polymer is provided.
摘要翻译：提供了制备单乙烯基芳烃/单烯烃聚合物的方法。提供所述单乙烯基芳烃/单烯烃聚合物。

6. 发明授权

US06232414B1 Process to make a monovinylaromatic polymer and said monovinylaromatic polymer 失效
标题翻译：制备单乙烯基芳族聚合物和所述单乙烯基芳族聚合物的方法
公开(公告)号：US06232414B1
公开(公告)日：2001-05-15
申请号：US09281880
申请日：1999-03-31
申请人： Iqbal Ahmed , Syriac J. Palackal , M. Bruce Welch , Jianxin Kuang , George A. Moczygemba
发明人： Iqbal Ahmed , Syriac J. Palackal , M. Bruce Welch , Jianxin Kuang , George A. Moczygemba
IPC分类号： C08F416
CPC分类号： C08F112/08 , C08F2420/04 , Y10S526/943 , C08F4/65912
摘要： A process to produce a monovinylaromatic polymer is provided. Said monovinylaromatic polymer is provided.
摘要翻译：提供了制备单乙烯基芳族聚合物的方法。提供所述单乙烯基芳族聚合物。

7. 发明授权

US5763610A Composition and processes for treating subterranean formations 失效
标题翻译：用于处理地下地层的组成和方法
公开(公告)号：US5763610A
公开(公告)日：1998-06-09
申请号：US803697
申请日：1997-02-21
申请人： Iqbal Ahmed , Ahmad Moradi-Araghi , Odd Ivar Eriksen
发明人： Iqbal Ahmed , Ahmad Moradi-Araghi , Odd Ivar Eriksen
IPC分类号： C07C237/04 , C07C309/14 , C07D295/185 , C07D521/00 , C08F20/60 , C08F26/02 , C07D241/04 , C07C233/09 , C07D207/325 , C09K3/00
CPC分类号： C07D295/185 , C07C237/04 , C07C309/14 , C07D231/12 , C07D233/56 , C07D249/08 , C08F20/60 , C08F26/02
摘要： A composition comprising a nitrogen-containing olefinic compound and a process for using the nitrogen-containing olefinic compound to produce a water-soluble polymer which has applications in a subterranean formation are provided. The nitrogen-containing olefinic compound can be made from an amine and an alkylating agent. The polymer produced can be used in drilling fluids, workover fluids, completion fluids, permeability corrections, water or gas coning prevention, fluid loss prevention, matrix acidizing, fracture acidizing, and combinations of any two or more thereof.
摘要翻译：提供了包含含氮烯烃化合物的组合物和使用含氮烯烃化合物制备在地下地层中应用的水溶性聚合物的方法。含氮烯烃化合物可以由胺和烷基化剂制成。所生产的聚合物可用于钻井液，修井液，完井液，渗透性校正，预防水或气体防止，防止流体流失，基质酸化，断裂酸化，以及其任何两种或更多种的组合。

8. 发明授权

US5484865A Copolymers of ampholytic ion pairs containing vinylic tertiary amine 失效
标题翻译：含有乙烯基叔胺的两性离子对的共聚物
公开(公告)号：US5484865A
公开(公告)日：1996-01-16
申请号：US186958
申请日：1994-01-27
申请人： Iqbal Ahmed , Henry L. Hsieh
发明人： Iqbal Ahmed , Henry L. Hsieh
IPC分类号： C08F220/34 , C08F220/60 , C08F226/06 , C08F8/12
CPC分类号： C08F226/06 , C08F220/34 , C08F220/60
摘要： A composition of a superabsorbent polymer and a process for using the polymer to absorb an aqueous electrlyte solution are disclosed. The composition comprises repeating units derived from: (a) an ampholytic ion pair prepared from a polymerizable vinylic tertiary amine-containing monomer and an acid having an ethylenic moiety; (b) at least one comonomer selected from the group consisting of acrylamide, methacrylamide, acrylonitrile, acrylic acid, ethacrylic acid, alkali salts of acrylic acid, alkali salts of methacrylic acid, 2-methacryloyloxyethyltrimethylamine, 2-acrylamido-2-methylpropane sulfonic acid, alkali salts of 2-acrylamido-2-methylpropane sulfonic acid, 2-methacryloyloxyethane sulfonic acid, alkali salts of 2-methacrylamidopropyldimethylamine, styrene sulfonic acid, alkali salts of styrene sulfonic acid, and N-vinyl-2-pyrrolidone; and optionally, (c) at least one crosslinking agent which has at least two polymerizable olefinic functionalities wherein the olefinic functionalities are suitable for crosslinking.
摘要翻译：公开了超吸收聚合物的组合物和使用聚合物吸收电解质水溶液的方法。该组合物包含衍生自以下的重复单元：（a）由可聚合的含乙烯基叔胺的单体和具有烯属部分的酸制备的两性离子对; （b）至少一种选自丙烯酰胺，甲基丙烯酰胺，丙烯腈，丙烯酸，乙基丙烯酸，丙烯酸的碱金属盐，甲基丙烯酸的碱金属盐，2-甲基丙烯酰氧基乙基三甲基胺，2-丙烯酰胺基-2-甲基丙磺酸 2-丙烯酰胺基-2-甲基丙磺酸的碱金属盐，2-甲基丙烯酰氧基乙烷磺酸，2-甲基丙烯酰胺基丙基二甲基胺的碱金属盐，苯乙烯磺酸，苯乙烯磺酸的碱金属盐和N-乙烯基-2-吡咯烷酮; 和（c）至少一种具有至少两个可聚合的烯属官能团的交联剂，其中烯属官能团适于交联。

9. 发明授权

US5225506A Superabsorbent polymers 失效
标题翻译：超吸收性聚合物
公开(公告)号：US5225506A
公开(公告)日：1993-07-06
申请号：US873259
申请日：1992-04-24
申请人： Iqbal Ahmed , Henry L. Hsieh
发明人： Iqbal Ahmed , Henry L. Hsieh
IPC分类号： A61L15/60 , C08F8/30 , C08F8/34 , C08F226/06 , C08F251/00 , C08F255/00 , C08F285/00
CPC分类号： C08F226/06 , A61L15/60 , C08F251/00 , C08F255/00 , C08F285/00 , C08F8/30 , C08F8/34
摘要： Polymer compositions which are highly absorbent to aqueous electrolyte solutions are prepared by copolymerization of an ampholytic monomer having the formula of ##STR1## where one and only one of the substituted groups R.sub.1, R.sub.2, R.sub.3 and R.sub.4 must be a vinyl group, the rest can be the same or different and can be hydrogen or a C.sub.1 -C.sub.3 alkyl group; R.sub.5 is a phenyl group; n is .gtoreq.1 and .ltoreq.6; and q is 0 or 1; and an olefin monomer having an ethylenic structure as well as by graft copolymerization of at least an olefin monomer having an ethylenic structure and an ampholytic monomer having the formula disclosed above onto a main polymer selected from the group consisting of polysacchardies and polyolefins. Also disclosed is a process for absorbing large quantity of aqueous electrolyte solution employing the polymer compositions.
摘要翻译：对电解质水溶液具有高吸收性的聚合物组合物是通过共聚具有下式的两性单体制备的：其中一个且仅一个取代基R1，R2，R3和R4必须是乙烯基，其余可以可以相同或不同，可以是氢或C 1 -C 3烷基; R5是苯基; n是> / = 1和

10. 发明授权

US5075399A Superabsorbent crosslinked ampholytic ion pair copolymers 失效
标题翻译：超吸收交联两性离子对共聚物
公开(公告)号：US5075399A
公开(公告)日：1991-12-24
申请号：US613171
申请日：1990-11-15
申请人： Iqbal Ahmed , Henry L. Hsieh
发明人： Iqbal Ahmed , Henry L. Hsieh
IPC分类号： C08F212/14 , A61L15/60 , C08F12/00 , C08F20/10 , C08F20/34 , C08F20/38 , C08F20/52 , C08F28/00 , C08F220/04 , C08F220/06 , C08F220/28 , C08F220/34 , C08F220/38 , C08F220/42 , C08F220/44 , C08F220/56 , C08F220/58 , C08F228/02
CPC分类号： C08F228/02 , A61L15/60 , C08F220/34 , C08F220/38 , C08F220/58
摘要： The present invention provides crosslinked ampholytic copolymers that are highly absorbent to aqueous electrolyte solutions. The polymers of the present invention comprises polymers formed by the copolymerization of an effective amount of each of the following components to produce a polymer which is highly absorbent to aqueous electrolyte solutions:(a) an ampholytic ion pair monomer comprising(i) an ammonium cation 2-methacryloyloxyethyltrimethylammonium andii a sulfonate anion selected form the group consisting of 2-acrylamido-2-methylpropane sulfonate, 2-methacryloyloxethane sulfonate, vinyl sulfonate, styrene sulfonate and combinations of two or more thereof;(b) at least one comonomer selected from the group consisting of acrylamide, methacrylamide, acrylonitrile, acrylic acid, methacrylic acid, alkali salts of acrylic acid, alkali salts of methacrylic acid, 2-methacryloyloxyethyltrimethylamine, 2-acrylamido-2-methylpropane sulfonic acid, alkali salts of 2-acrylamido-2-methylpropane sulfonic acid, akali salts of 2-acrylamido-2-methylpropane sulfonic acid, 2-methacryloyloxyethane sulfonic acid, alkali salts of 2-methacryloyloxyethane sulfonic acid, N-vinyl-2-pyrrolidone and combinations of two or more thereof; and(c) at least one crosslinking agent which has at least two polymerizable olefinic functionalities wherein the olefinic functionalities are suitable for crosslinking.The invention also provides a method of using the polymers of the present invention for absorbing aqueous electrolyte solutions comprising the step of contacting the polymers of the present invention with the aqueous electrolyte solution.

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